* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif;
}

body {
    background: #f5f7fa;
    color: #333;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
}

header {
    background: #0f172a;
    color: white;
    padding: 15px 0;
    position: sticky;
    top: 0;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav a {
    color: white;
    text-decoration: none;
    margin-left: 20px;
}

.logo {
    font-weight: bold;
    font-size: 20px;
}

.hero {
    background: linear-gradient(135deg, #16a085, #1abc9c);
    color: white;
    text-align: center;
    padding: 100px 20px;
}

.hero h1 {
    font-size: 36px;
    margin-bottom: 15px;
}

.hero p {
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 25px;
    border-radius: 30px;
    text-decoration: none;
    color: white;
    display: inline-block;
    transition: 0.3s;
}

.primary {
    background: #f39c12;
}

.primary:hover {
    background: #e67e22;
}

.whatsapp {
    background: #25D366;
}

.whatsapp:hover {
    background: #1ebc57;
}

.services {
    padding: 80px 0;
    background: white;
    text-align: center;
}

.services h2 {
    margin-bottom: 50px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.card {
    background: #f1f5f9;
    padding: 30px;
    border-radius: 15px;
    transition: 0.3s;
}

.card i {
    font-size: 35px;
    margin-bottom: 15px;
    color: #16a085;
}

.card:hover {
    transform: translateY(-5px);
}

.about {
    padding: 70px 0;
    text-align: center;
    background: #ecf0f1;
}

.contact {
    padding: 80px 0;
    text-align: center;
}

.contact-info {
    margin-bottom: 30px;
}

form {
    max-width: 500px;
    margin: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

input, textarea {
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #ccc;
}

textarea {
    min-height: 120px;
}

footer {
    background: #0f172a;
    color: white;
    text-align: center;
    padding: 20px;
}

@media (max-width: 600px) {
    .hero h1 {
        font-size: 26px;
    }
}